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ruby--ruby/spec/rubyspec/language/module_spec.rb
eregon 95e8c48dd3 Add in-tree mspec and ruby/spec
* For easier modifications of ruby/spec by MRI developers.
* .gitignore: track changes under spec.
* spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec.
  These files can therefore be updated like any other file in MRI.
  Instructions are provided in spec/README.
  [Feature #13156] [ruby-core:79246]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-05-07 12:04:49 +00:00

91 lines
2.7 KiB
Ruby

require File.expand_path('../../spec_helper', __FILE__)
require File.expand_path('../fixtures/module', __FILE__)
describe "The module keyword" do
it "creates a new module without semicolon" do
module ModuleSpecsKeywordWithoutSemicolon end
ModuleSpecsKeywordWithoutSemicolon.should be_an_instance_of(Module)
end
it "creates a new module with a non-qualified constant name" do
module ModuleSpecsToplevel; end
ModuleSpecsToplevel.should be_an_instance_of(Module)
end
it "creates a new module with a qualified constant name" do
module ModuleSpecs::Nested; end
ModuleSpecs::Nested.should be_an_instance_of(Module)
end
it "creates a new module with a variable qualified constant name" do
m = Module.new
module m::N; end
m::N.should be_an_instance_of(Module)
end
it "reopens an existing module" do
module ModuleSpecs; Reopened = true; end
ModuleSpecs::Reopened.should be_true
end
it "reopens a module included in Object" do
module IncludedModuleSpecs; Reopened = true; end
ModuleSpecs::IncludedInObject::IncludedModuleSpecs::Reopened.should be_true
end
it "raises a TypeError if the constant is a Class" do
lambda do
module ModuleSpecs::Modules::Klass; end
end.should raise_error(TypeError)
end
it "raises a TypeError if the constant is a String" do
lambda { module ModuleSpecs::Modules::A; end }.should raise_error(TypeError)
end
it "raises a TypeError if the constant is a Fixnum" do
lambda { module ModuleSpecs::Modules::B; end }.should raise_error(TypeError)
end
it "raises a TypeError if the constant is nil" do
lambda { module ModuleSpecs::Modules::C; end }.should raise_error(TypeError)
end
it "raises a TypeError if the constant is true" do
lambda { module ModuleSpecs::Modules::D; end }.should raise_error(TypeError)
end
it "raises a TypeError if the constant is false" do
lambda { module ModuleSpecs::Modules::D; end }.should raise_error(TypeError)
end
end
describe "Assigning an anonymous module to a constant" do
it "sets the name of the module" do
mod = Module.new
mod.name.should be_nil
::ModuleSpecs_CS1 = mod
mod.name.should == "ModuleSpecs_CS1"
end
it "does not set the name of a module scoped by an anonymous module" do
a, b = Module.new, Module.new
a::B = b
b.name.should be_nil
end
it "sets the name of contained modules when assigning a toplevel anonymous module" do
a, b, c, d = Module.new, Module.new, Module.new, Module.new
a::B = b
a::B::C = c
a::B::C::E = c
a::D = d
::ModuleSpecs_CS2 = a
a.name.should == "ModuleSpecs_CS2"
b.name.should == "ModuleSpecs_CS2::B"
c.name.should == "ModuleSpecs_CS2::B::C"
d.name.should == "ModuleSpecs_CS2::D"
end
end